X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Farch%2Fsparc64.h;fp=urcu%2Farch%2Fsparc64.h;h=46e26658af3cd2c71f45dde5a9a9b0b1fe415d92;hp=0000000000000000000000000000000000000000;hb=1b9119f8d4c3f40a61d4ee5403f0e7e5967c33d8;hpb=af7c2dbeac32c663b64ad05e4eca70e18784463b diff --git a/urcu/arch/sparc64.h b/urcu/arch/sparc64.h new file mode 100644 index 0000000..46e2665 --- /dev/null +++ b/urcu/arch/sparc64.h @@ -0,0 +1,60 @@ +#ifndef _URCU_ARCH_SPARC64_H +#define _URCU_ARCH_SPARC64_H + +/* + * arch_sparc64.h: trivial definitions for the Sparc64 architecture. + * + * Copyright (c) 2009 Paul E. McKenney, IBM Corporation. + * Copyright (c) 2009 Mathieu Desnoyers + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +#define CAA_CACHE_LINE_SIZE 256 + +/* + * Inspired from the Linux kernel. Workaround Spitfire bug #51. + */ +#define membar_safe(type) \ +__asm__ __volatile__("ba,pt %%xcc, 1f\n\t" \ + "membar " type "\n" \ + "1:\n" \ + : : : "memory") + +#define cmm_mb() membar_safe("#LoadLoad | #LoadStore | #StoreStore | #StoreLoad") +#define cmm_rmb() membar_safe("#LoadLoad") +#define cmm_wmb() membar_safe("#StoreStore") + +typedef unsigned long long cycles_t; + +static inline cycles_t caa_get_cycles (void) +{ + return 0; /* unimplemented */ +} + +#ifdef __cplusplus +} +#endif + +#include + +#endif /* _URCU_ARCH_SPARC64_H */